Magpul Industries Submachine-Gun Magazine Base Extension 3-Pack FDE. Manufactured from a durable synthetic rubber material this Magazine Base Extension from Magpul Industries is a strong addition to your magazine. Featuring a rough synthetic rubber gripping surface the Magpul Industries Submachine-Gun Magazine Base Extension 3-Pack is built to provide grip even in the harshest conditions. Thanks to quick and easy installation and removal the Magpul Industries Submachine-Gun Magazine Base Extension 3-Pack is a simple way to improve the overall performance of your magazine. When you need a mag base plate that will boost your speed and overall control while handling your most sensitive (and dangerous) submachine guns look no further than the Magpul Industries Submachine-Gun Magazine Base Extension 3-Pack. Specifications for Magpul Industries Submachine-Gun Magazine Base Extension 3 Pack: Manufacturer: Magpul Industries Condition: New Package Contents: Magpul Industries Submachine-Gun Magazine Base Extension 3-Pack Magpul Industries MAG003-FDE: Submachine-Gun Magazine Base Extension 3-Pack FDE